1 files changed, 1 insertions, 4 deletions

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 604f077bb5bf..5922342bca39 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -390,7 +390,6 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
         struct rt_sigframe __user *frame;
         sigset_t set;
-        stack_t st;
         int sig;
 
         frame = (struct rt_sigframe __user *) regs.regs[29];
@@ -411,11 +410,9 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
         else if (sig)
                 force_sig(sig, current);
 
-        if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))
-                goto badframe;
         /* It is more difficult to avoid calling this function than to
            call it and ignore errors.  */
-        do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
+        do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs.regs[29]);
 
         /*
          * Don't let your children do this ...